Effects of long-term fertilizer on soil fertility and soil enzyme activities in upland red soils
SHAO Xinghua, XU Jingren, ZHANG Jianzhong, LI Haifen, ZHOU Tonglin, ZHANG Hui
Ecology and Environment . 2011, (2): 266 -269 .  DOI: 10.16258/j.cnki.1674-5906(2011)02-0266-04

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